Quantitative Aptitude - Arithmetic Ability Questions

If 31% of an electricity bill is deducted, Rs 1794 is still to be paid. How much was the original bill amount?

If a + b = 8 and ab = 15, then what is the value of a3 + b3?

If a:b = 3:8, find the value of (5a ­ 3b)/(2a + b).

If C + 1C = 3, then what is the value of C-37+1C7?

Average of all even numbers between 222 and 250 is __________.

Curved surface area of a cylinder is 528 sq cm. If circumference of its base is 44 cm, find the height of the cylinder?

wooden bowl is in shape of a hollow hemisphere of internal radius 9 cm and thickness 1 cm. Find the total surface area of the bowl?

Present age of A is 2 times the present age of B. After 8 years the B's age will be 4 times of C's present age. If C celebrated his fifth birthday 9 years
ago, then what is the present age (in years) of A?